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Convergence problem, HELP!

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Old   March 27, 2002, 12:26
Default Convergence problem, HELP!
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Recently I simulated solid-liquid suspension problem in stirred tank with MIXSIM and Fluent4.5. I first create mesh with MIXSIM (with 0 interation), where multiple reference frame was used. Then I define and patch the solid phase in Fluent4.5. I had tried different underrelaxation, but can not get convergened result.

The question is: If I select one equation(with unselect other equations in Selet Equations panel)one time and get the convergened result for this equation, then I solve all equations one by one in this way , is this result correct or is this result real convergened one? If not, how to get the convergened result?

The basic case parameters are: liquid: water, solid: wood particle (Diameter: 0.5mm, volume fraction: 0.1, density: 700 kg/m3), no heat and mass transfer.

Any suggestions are appreciated.


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